Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933227AbdCJPVo (ORCPT ); Fri, 10 Mar 2017 10:21:44 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:36706 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932759AbdCJPVn (ORCPT ); Fri, 10 Mar 2017 10:21:43 -0500 Date: Fri, 10 Mar 2017 16:21:31 +0100 From: Greg Kroah-Hartman To: Ben Hutchings Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Long Li , "K. Y. Srinivasan" , "Martin K. Petersen" Subject: Re: [PATCH 4.4 34/91] scsi: storvsc: use tagged SRB requests if supported by the device Message-ID: <20170310152131.GA20522@kroah.com> References: <20170310083900.730556986@linuxfoundation.org> <20170310083902.482819326@linuxfoundation.org> <1489157819.2593.9.camel@decadent.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1489157819.2593.9.camel@decadent.org.uk> User-Agent: Mutt/1.8.0 (2017-02-23) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 744 Lines: 23 On Fri, Mar 10, 2017 at 02:56:59PM +0000, Ben Hutchings wrote: > On Fri, 2017-03-10 at 10:08 +0100, Greg Kroah-Hartman wrote: > > 4.4-stable review patch.??If anyone has any objections, please let me know. > > > > ------------------ > > > > From: Long Li > > > > commit 3cd6d3d9b1abab8dcdf0800224ce26daac24eea2 upstream. > > > > Properly set SRB flags when hosting device supports tagged queuing. > > This patch improves the performance on Fiber Channel disks. > [...] > > This looks more like a feature/optimisation than a bug fix. Is this > really within the stable rules? Making things work properly (i.e. i/o does not suck anymore), is ok for stable stuff. KY, that's the case here, right? thanks, greg k-h